81640104

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1289}}^1$

素因数の和:1347

約数の個数: 128

約数和(自身を含む): 260064000

約数和(自身を除く): 178423896

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 29, 39, 42, 52, 56, 58, 78, 84, 87, 91, 104, 116, 156, 168, 174, 182, 203, 232, 273, 312, 348, 364, 377, 406, 546, 609, 696, 728, 754, 812, 1092, 1131, 1218, 1289, 1508, 1624, 2184, 2262, 2436, 2578, 2639, 3016, 3867, 4524, 4872, 5156, 5278, 7734, 7917, 9023, 9048, 10312, 10556, 15468, 15834, 16757, 18046, 21112, 27069, 30936, 31668, 33514, 36092, 37381, 50271, 54138, 63336, 67028, 72184, 74762, 100542, 108276, 112143, 117299, 134056, 149524, 201084, 216552, 224286, 234598, 261667, 299048, 351897, 402168, 448572, 469196, 485953, 523334, 703794, 785001, 897144, 938392, 971906, 1046668, 1407588, 1457859, 1570002, 1943812, 2093336, 2815176, 2915718, 3140004, 3401671, 3887624, 5831436, 6280008, 6803342, 10205013, 11662872, 13606684, 20410026, 27213368, 40820052, 81640104]

約数ペア:

[(1, 81640104), (2, 40820052), (3, 27213368), (4, 20410026), (6, 13606684), (7, 11662872), (8, 10205013), (12, 6803342), (13, 6280008), (14, 5831436), (21, 3887624), (24, 3401671), (26, 3140004), (28, 2915718), (29, 2815176), (39, 2093336), (42, 1943812), (52, 1570002), (56, 1457859), (58, 1407588), (78, 1046668), (84, 971906), (87, 938392), (91, 897144), (104, 785001), (116, 703794), (156, 523334), (168, 485953), (174, 469196), (182, 448572), (203, 402168), (232, 351897), (273, 299048), (312, 261667), (348, 234598), (364, 224286), (377, 216552), (406, 201084), (546, 149524), (609, 134056), (696, 117299), (728, 112143), (754, 108276), (812, 100542), (1092, 74762), (1131, 72184), (1218, 67028), (1289, 63336), (1508, 54138), (1624, 50271), (2184, 37381), (2262, 36092), (2436, 33514), (2578, 31668), (2639, 30936), (3016, 27069), (3867, 21112), (4524, 18046), (4872, 16757), (5156, 15834), (5278, 15468), (7734, 10556), (7917, 10312), (9023, 9048)]